20302021010 has 32 divisors (see below), whose sum is σ = 40027523760. Its totient is φ = 7379556352.

The previous prime is 20302021007. The next prime is 20302021043. The reversal of 20302021010 is 1012020302.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5364537049 + 14937483961 = 73243^2 + 122219^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20302020982 and 20302021000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2054099 + ... + 2063958.

Almost surely, 2^20302021010 is an apocalyptic number.

20302021010 is a deficient number, since it is larger than the sum of its proper divisors (19725502750).

20302021010 is a wasteful number, since it uses less digits than its factorization.

20302021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118110.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20302021010 its reverse (1012020302), we get a palindrome (21314041312).

The spelling of 20302021010 in words is "twenty billion, three hundred two million, twenty-one thousand, ten".